This TV transmitter operates from a +12-Vdc source and produces about 1 W peak power on sync tips. Output frequency is 1240 to 1300 MHz, but operation is possible to 1325 MHz (for U.K.band). Video interface is 1 V p-p/75 Ω negative sync; audio is 5 mV to 1 V @ 255 kΩ. For PAL operation, reduce the number of turns on L16 to 11 for 5.5-MHz sound.A kit of parts for this transmitter is available from North Country Radio, P.O. Box 53, Wykagyl Station, New Rochelle, NY 10804-0053A.
Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Communication_Circuit/13_GHz_ATV_TRANSMITTER.html
